// Copyright 2017 Xiaomi, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package cron

import (
	"github.com/open-falcon/falcon-plus/modules/aggregator/db"
	"github.com/open-falcon/falcon-plus/modules/aggregator/g"
	"time"
)

func UpdateItems() {
	for {
		updateItems()
		d := time.Duration(g.Config().Database.Interval) * time.Second
		time.Sleep(d)
	}
}

func updateItems() {
	items, err := db.ReadClusterMonitorItems()
	if err != nil {
		return
	}

	deleteNoUseWorker(items)
	createWorkerIfNeed(items)
}
